Chicago Fire Department spokesman Will Knight said they only transported one of those victims to Mount Sinai in serious to critical condition.

In a separate attack in the Roseland neighborhood on the city's Far South Side, a man in his 20s was seriously wounded after being shot in the chest late this morning, according to authorities.

Paramedics were called to the 11300 block of South Michigan Avenue for a person shot and took one victim to Advocate Christ Medical Center in Oak Lawn in serious-to-critical condition, according to Knight.

Chicago Police Department News Affairs Officer John Mirabelli said the shooting happened about 11 a.m. and the victim, a man in his 20s, was shot in the chest.

Some men were seen running from the scene on foot after the shooting but no arrests have been made, Mirabelli said. Area South detectives are investigating.

A Justice Department investigation will allege sweeping patterns of discrimination within the Ferguson, Mo., Police Department and at the municipal jail and court, a law enforcement official familiar with the report said Tuesday.